you have no expectation of privacy in the public place, the more technology we use, the better we will be able to combat terrorism. if not for the cameras in this case, we never would have found out who was involved. my question is, who was the fbi agent who identified these originally? who interviewed them? why did it take the public to identify who they were? >> why do you think that is? >> that's a question that needs to be answered. we need to find out who was the fbi agent, was he in boston? when those pictures appeared, why didn't he say, i know those people, i interviewed them. >> on top of that, it was, in fact, the public surveillance, whether it was department stores or whatever that enabled people to find these guys before they hit again. that's the way i look at it. before they hit again. >> without those public cameras, we would be looking. >> you agree, this is a necessary part of modern life as we wage war against those who waged war against us? >> absolutely. i remember we put cameras in the housing developments for the first time, the aclu complained about it. the trut